Department of Gastroenterology;
The Affiliated Drum Tower Hospital of Nanjing University Medical School;
Nanjing 210008;
Jiangsu Province;
China;
Medical Division;
Yidu Cloud(Beijing)Technology Co.;
Ltd.Beijing 100101;
China;
Common; bile; duct; stones; Endoscopic; retrograde; cholangiopancreatography; Clinical; pathway; Outcomes; Costs;